... different screws M1.0-M5.0 screw Selling AUTOTEK 800 automatic screw feeding machine Specifications:1,Model: ... AC220V,.DC12V500MA,AC ADAPTER5,The length of the screw:Less than or equal to20mm6,Shape of Thread ... : M Srew7,Screw material:With iron Material.8,Speed of picking up:1.5 second/pcsFeatures:1, ... Screws rotating feeding with Precision can keep the screw from falling into the machine.3,Filed ...